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[LeetCode] Unique Binary Search Trees 独一无二的二叉搜索树
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
分类:其他好文   时间:2015-02-25 15:32:26    阅读次数:109
字符集的简要概述
oracle031 字符集的简要概述 字符集:就是一张字符和编码的对应表。 1、字符集的作用和含义      字符编码      使用场合           数据库字符集           (1)用来存储CHAR, VARCHAR2, CLOB, LONG等类型数据           (2)用来标示诸如表名、列名以及PL/SQL变量等           (3)...
分类:其他好文   时间:2015-02-24 10:18:18    阅读次数:192
[LeetCode] Binary Tree Postorder Traversal
Given a binary tree, return the postorder traversal of its nodes’ values.For example: Given binary tree {1,#,2,3}, return [3,2,1].Note: Recursive solution is trivial, could you do it iteratively?...
分类:其他好文   时间:2015-02-24 07:02:03    阅读次数:180
[LeetCode] Binary Tree Preorder Traversal
Given a binary tree, return the preorder traversal of its nodes’ values.For example: Given binary tree {1,#,2,3}, return [3,2,1].Note: Recursive solution is trivial, could you do it iteratively?递归...
分类:其他好文   时间:2015-02-24 01:53:20    阅读次数:192
SQL Server 通配符为目标字符的查找
create table t(x int identity(1,1) primary key,v nvarchar(32));goinsert into t(v) values('this is % line'),('this is 1 line');我们的目标是找到'this is % line'...
分类:数据库   时间:2015-02-23 23:38:12    阅读次数:178
[LeetCode] Binary Tree Inorder Traversal 二叉树的中序遍历
Given a binary tree, return theinordertraversal of its nodes' values.For example:Given binary tree{1,#,2,3}, 1 \ 2 / 3return[1,3,2].Note...
分类:其他好文   时间:2015-02-22 06:46:02    阅读次数:162
[LeetCode] Binary Tree Zigzag Level Order Traversal 二叉树的之字形层序遍历
Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and al...
分类:其他好文   时间:2015-02-21 15:26:40    阅读次数:185
leetcode------Unique Binary Search Trees
标题:Unique Binary Search Trees通过率:37.0%难度:中等Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= ...
分类:其他好文   时间:2015-02-20 14:07:19    阅读次数:110
leetcode------Unique Binary Search Trees II
标题:Unique Binary Search Trees II通过率:27.5%难度:中等Givenn, generate all structurally uniqueBST's(binary search trees) that store values 1...n.For example,G...
分类:其他好文   时间:2015-02-20 14:05:11    阅读次数:127
poj 1094 Sorting It All Out[ topo]
传送门:http://poj.org/problem?id=1094 Sorting It All Out Description An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elem...
分类:其他好文   时间:2015-02-20 09:46:55    阅读次数:159
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